Jeff Weather Forecast

    • 54
    • 68

    Rain Showers Likely

    • 50
    • 60

    Rain Showers

    • 54
    • 68

    Slight Chance Rain Showers

    • 59
    • 73

    Chance Rain Showers

    • 46
    • 70

    Rain Showers Likely

    • 41
    • 60

    Chance Rain Showers

    • 46
    • 63

    Mostly Sunny

Today 14 Oct McHenry

Partly cloudy. Highs in the upper 60s. Northeast Winds around 10 Mph.

Tonight 14 Oct McHenry

Cloudy. A slight chance of Showers in the evening. Scattered Showers after Midnight, then Showers likely late. Lows in the lower 50s. Northeast Winds around 10 Mph. Chance of precipitation 60 percent.

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  • Temperature Real-Time

Jeff Temperature Statistics

October Temperature

Chicago / Wheeling, Pal-Waukee Airport (18.6 miles)

  • Lowest 9 October, 2025

    43 °F

  • Average October

    64.2 °F

  • Highest 3 October, 2025

    89.1 °F

Climate (2020–Present)

Chicago / Wheeling, Pal-Waukee Airport (18.6 miles)

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  • Average Low 2020–2025

    44.2 °F

  • Average 2020–2025

    53 °F

  • Average High 2020–2025

    61.6 °F
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